CN106760011A - Three-dimensional isolation device - Google Patents
Three-dimensional isolation device Download PDFInfo
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- CN106760011A CN106760011A CN201611152156.7A CN201611152156A CN106760011A CN 106760011 A CN106760011 A CN 106760011A CN 201611152156 A CN201611152156 A CN 201611152156A CN 106760011 A CN106760011 A CN 106760011A
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- Prior art keywords
- iron core
- pedestal
- isolation device
- positioning framework
- dimensional isolation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of three-dimensional isolation device, it is fixedly connected in a structural chassis, including the barrel susceptor being fixed in the structural chassis, stacking is provided with first iron core and the second iron core of wound around coil from bottom to up in the pedestal, and first iron core is oppositely arranged with polarity identical the two poles of the earth of the second iron core;It is provided with the limited step for installing a positioning framework in the pedestal, positioning framework bottom surface opening and opening down is fastened on outside the second iron core;A level is fixed with the top surface of the positioning framework to shock isolating pedestal.Comprehensive utilization magnetic levitation technology and level are completely cut off or are controlled to shock isolating pedestal to horizontal earthquake action and Vertical Earthquake Loads, prevent from making superstructure shift or inclined danger due to Magnetic field inhomogeneity using barrel susceptor, the three-dimensional isolation of building structure is realized, the loss of earthquake zone is reduced.
Description
Technical field
The present invention relates to building structure shock insulation and protection technology field, and in particular to a kind of three-dimensional isolation device.
Background technology
Earthquake is one of common natural calamity, strong earthquake meeting heavy damage building structure, causes a large amount of personnel to hinder
Die.In terms of building structure shock insulation, comparative maturity and the application of friction pendulum support, laminated rubber bases, dish-spring bearing
Than wide.But friction pendulum support, laminated rubber bases etc. are general only to consider horizontal earthquake action, for Vertical Earthquake Loads
Consider very few, therefore be only capable of weakening horizontal earthquake action, dish-spring bearing is only capable of subtracting to a certain extent by energy absorption
Few threat of the Vertical Earthquake Loads to building structure.The shock isolating pedestal of above-mentioned passive control can only one direction weaken geological process,
And cannot completely completely cut off geological process, it is impossible to reach good isolating affection.Existing three-dimensional isolation device is nothing but by tradition
Shock isolating pedestal realizes three-dimensional isolation using in parallel, series connection combining form, and this kind of combination certainly will cause earthquake isolating equipment
Isolating affection is poor, cost is higher, size is larger.
Magnetic suspended isolation is a kind of new active vibration isolation method.Theory of Electromagnetic Field shows:Between electromagnet and armature
Magneticaction and distance between the two square be inversely proportional, with electric current square, the number of turn square and air gap area into just
Than.For building structure shock insulation, take magnetic levitation technology semi- active control simple, convenient, practical.At present, magnetic suspended isolation skill
Art Successful utilization to fields such as space flight, precision instrument, communications and transportation, but its technology is vibration isolation rather than shock insulation, and in soil
Shock insulation apparatus in wood engineering there is not yet with.
Application publication number is CN 101481933A, and Shen Qing Publication day is the Chinese invention patent application on July 15 in 2009
A kind of construction structure shockproof method is disclosed, when the method makes structure suspend under the conditions of normal leading using magnetic suspension repulsion, due to
Magnetic field is uneven in itself, and superstructure can shift or incline, but horizontal direction satisfactory after correcting is not provided in the patent application,
Therefore metastable state is extremely difficult in shock insulation.
The content of the invention
It is an object of the invention to provide a kind of three-dimensional isolation device, magnetic levitation technology and level can be comprehensively utilized to shock insulation
Bearing is controlled and weakens to Vertical Earthquake Loads and horizontal earthquake action, realizes the three-dimensional isolation of building structure.
To achieve the above object, a kind of three-dimensional isolation device provided by the present invention, it is fixedly connected on a structural chassis
On, including the barrel susceptor being fixed in the structural chassis, stacking is provided with winding line from bottom to up in the pedestal
First iron core and the second iron core of circle, first iron core are identical with the two poles of the earth polarity that the second iron core is oppositely arranged;It is described
It is provided with the limited step for installing a positioning framework in pedestal, positioning framework bottom surface opening and opening down is fastened on
On second iron core;A level is fixed with the top surface of the positioning framework to shock isolating pedestal.
Preferably, the level to shock isolating pedestal using laminated rubber bases or friction-pendulum shock-insulation support or elastic slide plate every
Shake bearing.
Preferably, top surface of the bottom surface above pedestal from the level to shock isolating pedestal.
Preferably, the level is welded to shock isolating pedestal or bolt connection is on the top surface of positioning framework.
Preferably, displacement transducer and lead channels are reserved on the positioning framework.
Preferably, friction plate is installed with the lateral wall of the positioning framework, the friction plate has opposite base
The vertical motion free degree.
Preferably, the pedestal and positioning framework are poured by armored concrete and formed.
Preferably, the pedestal outside sets the ribbed stiffener poured by armored concrete.
Preferably, first iron core, the second iron core use U-shaped or E types or I shaped iron cores.
A kind of three-dimensional isolation device that above-mentioned technical proposal is provided, has the advantages that:1st, tubular base is devised
Seat, in the course of the work because magnetic field is uneven in itself, superstructure is susceptible to skew to electromagnetic suspension earthquake isolating equipment when suspending
Or incline, metastable state is extremely difficult to, superstructure level can be effectively improved to offseting or incline by setting barrel susceptor
Oblique this phenomenon;2nd, with good vertical earthquake isolating function, when seismic signal is received, coil is auto-power on, by the first iron
The repulsion that core and the second iron core are produced causes that superstructure departs from and is contacted with structural chassis, is suspended in aerial and electric by controlling
Stream size adjusts hoverheight in good time, it is ensured that superstructure is in suspended state all the time, from without the shadow by Vertical Earthquake Loads
Ring;3rd, with good level to shock insulation function, when occurred level geological process, by that can occur what greater level deformed
Level is not influenceed to shock isolating pedestal, basic guarantee superstructure by horizontal earthquake action.Realize building by above-mentioned effective measures
The three-dimensional isolation of structure, reduces the damage that earthquake brings to the mankind.
Brief description of the drawings
Fig. 1 is the structural representation of the three-dimensional isolation device of embodiments of the invention 1;
Fig. 2 is the structure sectional view of the three-dimensional isolation device of embodiments of the invention 1;
Fig. 3 is the structural representation of the pedestal of the three-dimensional isolation device of embodiments of the invention 1;
Fig. 4 is the structural representation of the positioning framework of the three-dimensional isolation device of embodiments of the invention 1;
Fig. 5 is the Structure explosion diagram of the three-dimensional isolation device of embodiments of the invention 1;
Fig. 6 is the structure sectional view of the three-dimensional isolation device of embodiments of the invention 2.
Wherein, 1- structural chassis, 2- pedestals, 3- coils, the iron cores of 4- first, the iron cores of 5- second, 6- positioning frameworks, 7- is spacing
Step, 8- levels are to shock isolating pedestal, 9- displacement transducers and lead channels, 10- friction plates, 11- ribbed stiffeners.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is described in further detail.Hereinafter implement
Example is not limited to the scope of the present invention for illustrating the present invention.
A kind of three-dimensional isolation device provided by the present invention is repulsion type semi- active control electromagnetic suspension three-dimensional isolation device,
Using a kind of new semi-active type shock isolation method, under Vertical Earthquake Loads, led or superconduction realization suspension using normal, building
Supported using the magnetic field of semi- active control between structure and focus, so as to reach the purpose of vertical earthquake isolating;Make in horizontal earthquake
Under, completely cut off to shock isolating pedestal using levels such as laminated rubber bases between fabric structure and focus, so as to reach reduction water
The dynamic purpose of horizontal tremble.Building structure shock insulation is present invention can be suitably applied to, there is great protective effect to building structure.
Embodiment 1
Refer to accompanying drawing 1,2, a kind of three-dimensional isolation device provided by the present invention, it is fixedly connected on a structural chassis 1
On, including the barrel susceptor 2 being fixed in the structural chassis 1.The bottom of the pedestal 2 is provided with the first iron of wound around coil 3
The installation position of core 4, first iron core 4 is welded or is adhesively fixed in the bottom of pedestal 2.Also set on the madial wall of the pedestal 2
Limited step 7 is equipped with, for installing a positioning framework 6.The positioning framework 6 is used to fix the second iron core 5 of wound around coil 3, should
The bottom surface opening of positioning framework 6 and the interior installation position for being provided with the second iron core 5.The positioning framework 6 is set to be held on base opening downly
On 2 default limited steps 7 of seat, make its back-off on the second iron core 5, i.e., described positioning framework 6 is fastened on the opening downly
Cause that first iron core 4 and the second iron core 5 of wound around coil 3 are laminated in the installation pedestal 2 from bottom to up on two iron cores 5, institute
It is identical with the two extremely polarities that the second iron core 5 is oppositely arranged to state the first iron core 4.It is preferred that second iron core 5 and positioning
It is relatively-stationary connection between framework 6, the second iron core 5 is welded or is adhesively fixed in the installation position of positioning framework 6.
A level is fixed with the top surface of the positioning framework 6 to shock isolating pedestal 8.In the present embodiment, the level to
Shock isolating pedestal 8 uses laminated rubber bases.The laminated rubber bases in the present embodiment belong to the shock isolating pedestal of prior art,
Its internal structure and its function are not described in detail herein.The level welded to shock isolating pedestal 8 or bolt connection in
On the top surface of positioning framework 6.Top surface of the bottom surface above pedestal 2 from the level to shock isolating pedestal 8.Especially work as earthquake load
During effect, level is to the top surface that the bottom of shock isolating pedestal 8 is higher than pedestal 2.
In the present embodiment, the three-dimensional isolation device is applied to building structure shock insulation, and the structural chassis 1 are tied for building
Structure basis, the three-dimensional isolation device top is the building bearing component being fixedly connected to shock isolating pedestal 8 with level.
Accompanying drawing 3 is referred to, the pedestal 2 in the present embodiment is poured by armored concrete and formed, and is fixedly connected on structure
Chassis 1, the pedestal 2 is poured with structural chassis 1 and is connected.The installation position of the first iron core of internal reservation 4 of the pedestal 2 and use
In the limited step 7 for shelving positioning framework 6.The outside of the pedestal 2 sets the ribbed stiffener 11 poured by armored concrete.Institute
Ribbed stiffener 11 is stated in triangular form, for reinforcing the connection between pedestal 2 and structural chassis 1.
Accompanying drawing 4 is the structure upward view of the positioning framework 6, and the positioning framework 6 is poured by armored concrete and formed, institute
State the installation position that the second iron core 5 is reserved in positioning framework 6.It is pre- on the positioning framework 6 to remain for accommodating installation displacement transducer
And the displacement transducer and lead channels 9 of wire.
Accompanying drawing 5 is referred to, friction plate 10 is installed with the lateral wall of the positioning framework 6, the friction plate 10 can
Using plastic material, such as polytetrafluoroethylene (PTFE), its fixation can be taken and be adhesively fixed or mode that screw is fixed, screw after installation
Face is not higher than Friction Disk Surface.The friction plate 10 has the vertical motion free degree of opposite base 2.The friction plate 10 with it is fixed
Position framework 6 is relatively fixed, and the friction plate 10 is contacted with pedestal 2 but do not fixed, it is ensured that the up and down flexibility of upper unit.
It is pointed out that refer to the part that can suspend under electromagnetic repulsion force effect in the upper unit mentioned in embodiment,
The second iron core 5, level of positioning framework 6, friction plate 10, wound around coil 3 is specifically included to shock isolating pedestal 8.
First iron core 4, the second iron core 5 use U-shaped or E types or I shaped iron cores.It is preferred that first iron core
4th, the cross section of the second iron core 5 is rectangle, and cross-sectional sizes are identical.The coil wound on first iron core 4, the second iron core 5
Its conductor material is identical, the number of turn is identical, the identical, winding direction that is passed through the sense of current is conversely, or conductor material is identical, number of turn phase
With, winding direction is identical, be passed through the sense of current conversely, identical to ensure iron core the two poles of the earth polarity for being oppositely arranged, the first iron core 4 with
Repulsion is produced between second iron core 5.
In actual applications, the design of three-dimensional isolation device of the invention is needed according to building structure and upper unit certainly
Weight, calculates the repulsion needed for floating upper unit, and the first iron core 4, the second iron core 5 are designed by Theory of Electromagnetic Field according to repulsion size
And coil, with ensure suspension spacing as 30mm and more than;Need to be conducted oneself with dignity according to building structure and upper unit, calculating pedestal 2 needs
The horizontal force to be born, is arranged as required to ribbed stiffener, it is ensured that pedestal 2 will not be destroyed under horizontal earthquake action;Simultaneously should
Ensure that the limited step 7 inside pedestal 2 can support building structure and upper unit to conduct oneself with dignity under static state;Need basis
Upper building dead load is conducted oneself with dignity with upper unit, calculates the size of positioning framework 6;Need according to positioning framework 6 and pedestal 2
Between frictional force effect, design friction plate 10;Conducted oneself with dignity according to building structure, multiple electromagnetic suspension earthquake isolating equipments can be taken simultaneously
The mode of connection, common support building structure deadweight.
The three-dimensional isolation device first should on request pour barrel susceptor 2 in construction in structural chassis 1;According to need
Ribbed stiffener 11 is poured in the surrounding of pedestal 2;To be installed on the installation position of pedestal 2 after the prefabricated wound around coil of the first iron core 4,
Make the two poles of the earth of the first iron core 4 upward;The prefabricated reverse-winding coil of the second iron core 5, and it is fixed on prefabricated positioning framework 6
In;The external stability friction plate 10 of the positioning framework 6;The positioning framework 6 that will be handled well is shelved on the limited step 7 of pedestal 2;
By the laminated rubber bases bolt connection on the top surface of positioning framework 6;And displacement transducer is fixed on reserved displacement biography
In sensor and lead channels 9;Acceleration monitoring device switch is installed;Displacement current controller is installed;Switch on power.
The three-dimensional isolation device of the present embodiment in actual applications, when vertical vibration signal is received, acceleration monitoring
Device switch open power supply, magnet coil is powered, and larger repulsion is produced at once between the first iron core 4 and the second iron core 5, makes top
Device integrally departs from and is contacted with ground.6 pairs of the second iron cores 5 of positioning framework play stabilization work in uphill process and under suspended state
With making the second iron core 5 not misplace in working order.Friction plate 10 can guarantee that positioning framework 6 under Vertical Earthquake Loads, on
The flexibility of liter or process of floating downward.The data of vertical seismic action are monitored according to displacement transducer, by displacement current controller
The size of current of real-time adjustment coil, i.e., when vertically there is upward displacement, displacement current controller reduce electric current, make suspension away from
From reduction;When vertically there is downward displacement, displacement current controller increase electric current makes suspension distance increase, it is ensured that can be every
From or weaken influence of the vertical seismic action to upper unit.Meanwhile, level completely cuts off horizontal earthquake action to shock isolating pedestal 8.Pass through
Semi- active control and three-dimensional isolation, realize upper unit level to vertically only have minimum or even zero acceleration.When earthquake stops
When only, reduce the electric current in coil 3 so that the second iron core 5 of suspension slowly returns to original state, so far shock insulation working condition knot
Beam.
Embodiment 2
Refer to accompanying drawing 6, the difference part of the present embodiment and embodiment 1 is, the level in the present embodiment to every
Shake bearing 8 uses friction-pendulum shock-insulation support.The friction-pendulum shock-insulation support in the present embodiment belongs to the shock insulation branch of prior art
Seat, is not described in detail to its internal structure and its function herein.In other embodiments of the invention, the level to every
Shake bearing 8 can be using elastic slide plate shock isolating pedestal or the shock isolating pedestal of other same or similar functions.
The above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, on the premise of the technology of the present invention principle is not departed from, some improvement and replacement can also be made, these improve and replace also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of three-dimensional isolation device, it is fixedly connected in a structural chassis, it is characterised in that including being fixed on the structure
Stacking is provided with first iron core and the second iron of wound around coil from bottom to up in a barrel susceptor on chassis, the pedestal
Core, first iron core is identical with the two poles of the earth polarity that the second iron core is oppositely arranged;It is provided with the pedestal for installing one
The limited step of positioning framework, positioning framework bottom surface opening and opening down is fastened on the second iron core;The positioning
A level is fixed with the top surface of framework to shock isolating pedestal.
2. three-dimensional isolation device as claimed in claim 1, it is characterised in that the level uses laminated rubber to shock isolating pedestal
Bearing or friction-pendulum shock-insulation support or elastic slide plate shock isolating pedestal.
3. three-dimensional isolation device as claimed in claim 2, it is characterised in that the level is welded or bolt to shock isolating pedestal
Be connected on the top surface of positioning framework, top surface of the bottom surface above pedestal from the level to shock isolating pedestal.
4. three-dimensional isolation device as claimed in claim 1, it is characterised in that between second iron core and positioning framework inwall
To be fixedly connected.
5. three-dimensional isolation device as claimed in claim 1, it is characterised in that reserved on the positioning framework displacement transducer and
Lead channels.
6. three-dimensional isolation device as claimed in claim 1, it is characterised in that fixedly mounted on the lateral wall of the positioning framework
There is friction plate, the friction plate has the vertical motion free degree of opposite base.
7. three-dimensional isolation device as claimed in claim 1, it is characterised in that the pedestal and positioning framework are by armored concrete
Pour and form.
8. three-dimensional isolation device as claimed in claim 7, it is characterised in that the pedestal outside is set is poured by armored concrete
The ribbed stiffener built.
9. the three-dimensional isolation device as any one of claim 1-8, it is characterised in that first iron core, the second iron
Core uses U-shaped or E types or I shaped iron cores.
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CN201611152156.7A CN106760011A (en) | 2016-12-14 | 2016-12-14 | Three-dimensional isolation device |
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CN201611152156.7A CN106760011A (en) | 2016-12-14 | 2016-12-14 | Three-dimensional isolation device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109235508A (en) * | 2018-08-18 | 2019-01-18 | 田学帅 | A kind of three-dimensional shock isolation support of permanent magnet and spring assembly |
CN110821259A (en) * | 2019-11-27 | 2020-02-21 | 赵孝民 | Environment-friendly building elastic support |
CN115182476A (en) * | 2022-08-11 | 2022-10-14 | 安徽工业大学 | Three-dimensional shock isolation system capable of achieving elastic limiting at ordinary times and unilateral limiting during working |
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CN103953128A (en) * | 2014-05-20 | 2014-07-30 | 福州市规划设计研究院 | Electromagnetic suspension shock isolation device |
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CN2727279Y (en) * | 2004-09-01 | 2005-09-21 | 广州大学 | Three-dimensional rubber shake-insulating holder |
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CN109235508A (en) * | 2018-08-18 | 2019-01-18 | 田学帅 | A kind of three-dimensional shock isolation support of permanent magnet and spring assembly |
CN110821259A (en) * | 2019-11-27 | 2020-02-21 | 赵孝民 | Environment-friendly building elastic support |
CN110821259B (en) * | 2019-11-27 | 2021-07-13 | 赵孝民 | Environment-friendly building elastic support |
CN115182476A (en) * | 2022-08-11 | 2022-10-14 | 安徽工业大学 | Three-dimensional shock isolation system capable of achieving elastic limiting at ordinary times and unilateral limiting during working |
CN115182476B (en) * | 2022-08-11 | 2024-03-29 | 安徽工业大学 | Three-dimensional vibration isolation system capable of achieving elastic limiting at ordinary times and unilateral limiting during working |
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Application publication date: 20170531 |